package Dame;

interface Swimming {
    void swin();
}

public class test {
    public static void main(String[] args) {
        gotest(new Swimming() {
            @Override
            public void swin() {
                System.out.println("铁铁，我草你妈");
            }
        });

    }

    public static void gotest(Swimming s) {
        s.swin();
    }
}



